Trudging through the bitter cold of his first Wisconsin winter, 18-year-old Pablo Cardona decided that leaving his native Puerto Rico was a huge mistake. “Get me . . . out of here,” he recently recalled pleading with his parents. Thirty winters later, Cardona is still here along with dozens of other transplanted Latinos who came to the Midwest for the chance to attend Carroll College during the 1970s and early ’80s.